Pure water, pure adventure. Don't let contaminated water hold you back.
Threo Water Purifier is a highly efficient filtration system for outdoor activities and emergencies. Our device is designed to clear bacteria, parasites, and other impurities from water sources, making it suitable for consumption. Ideal for hiking, camping, and other outside adventures.
Highly efficient filtration
Threo Purifier uses advanced filtration technology to remove contaminants from water sources. Reliable drinking solutions anywhere you go.


Safe to use
Our filter uses a safe and chemical-free purification method, eliminating the need for potentially harmful chemicals.
Environmentally friendly
Threo water straw is reusable — clean it regularly, and get an environmentally friendly water treatment solution.

More reasons to enjoy our Threo filter straw
Samantha L. –
Great for hiking. Lasts long and is simple!
Emily R. –
The filter is portable, which is great for hikes. It’s safe compared to other methods because it doesn’t use chemicals. I’ve started taking it on all my adventures.
Michael T. –
I was impressed by the purifier’s ability to make river water taste great. It’s very reliable, and I feel confident drinking from natural water sources now!